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[taler-exchange] 01/02: new AML APIs (libtalerexchange)
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From: |
gnunet |
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Subject: |
[taler-exchange] 01/02: new AML APIs (libtalerexchange) |
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Date: |
Wed, 18 Jan 2023 14:38:33 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
commit 999209518d3eb5ddc7c83011253ec1d2bb32b170
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Wed Jan 18 14:25:58 2023 +0100
new AML APIs (libtalerexchange)
---
src/include/taler_exchange_service.h | 181 +++++++++++++++-
src/lib/exchange_api_add_aml_decision.c | 240 +++++++++++++++++++++
src/lib/exchange_api_management_add_partner.c | 232 ++++++++++++++++++++
.../exchange_api_management_update_aml_officer.c | 228 ++++++++++++++++++++
4 files changed, 880 insertions(+), 1 deletion(-)
diff --git a/src/include/taler_exchange_service.h
b/src/include/taler_exchange_service.h
index b2d0bf71..ff1698cc 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -1,6 +1,6 @@
/*
This file is part of TALER
- Copyright (C) 2014-2022 Taler Systems SA
+ Copyright (C) 2014-2023 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
Software
@@ -4240,6 +4240,185 @@ TALER_EXCHANGE_management_revoke_signing_key_cancel (
struct TALER_EXCHANGE_ManagementRevokeSigningKeyHandle *rh);
+/**
+ * Function called with information about the change to
+ * an AML officer status.
+ *
+ * @param cls closure
+ * @param hr HTTP response data
+ */
+typedef void
+(*TALER_EXCHANGE_ManagementUpdateAmlOfficerCallback) (
+ void *cls,
+ const struct TALER_EXCHANGE_HttpResponse *hr);
+
+
+/**
+ * @brief Handle for a POST /management/aml-officers/$OFFICER_PUB request.
+ */
+struct TALER_EXCHANGE_ManagementUpdateAmlOfficer;
+
+
+/**
+ * Inform the exchange that the status of an AML officer has changed.
+ *
+ * @param ctx the context
+ * @param url HTTP base URL for the exchange
+ * @param officer_pub the public signing key of the officer
+ * @param officer_name name of the officer
+ * @param change_date when to affect the status change
+ * @param is_active true to enable the officer
+ * @param read_only true to only allow read-only access
+ * @param master_sig signature affirming the change
+ * @param cb function to call with the exchange's result
+ * @param cb_cls closure for @a cb
+ * @return the request handle; NULL upon error
+ */
+struct TALER_EXCHANGE_ManagementUpdateAmlOfficer *
+TALER_EXCHANGE_management_update_aml_officer (
+ struct GNUNET_CURL_Context *ctx,
+ const char *url,
+ const struct TALER_AmlOfficerPublicKeyP *officer_pub,
+ const char *officer_name,
+ struct GNUNET_TIME_Timestamp change_date,
+ bool is_active,
+ bool read_only,
+ const struct TALER_MasterSignatureP *master_sig,
+ TALER_EXCHANGE_ManagementUpdateAmlOfficerCallback cb,
+ void *cb_cls);
+
+
+/**
+ * Cancel #TALER_EXCHANGE_management_update_aml_officer() operation.
+ *
+ * @param rh handle of the operation to cancel
+ */
+void
+TALER_EXCHANGE_management_update_aml_officer_cancel (
+ struct TALER_EXCHANGE_ManagementUpdateAmlOfficer *rh);
+
+
+/**
+ * Function called with information about storing an
+ * an AML decision.
+ *
+ * @param cls closure
+ * @param hr HTTP response data
+ */
+typedef void
+(*TALER_EXCHANGE_AddAmlDecisionCallback) (
+ void *cls,
+ const struct TALER_EXCHANGE_HttpResponse *hr);
+
+
+/**
+ * @brief Handle for a POST /aml-decision/$OFFICER_PUB request.
+ */
+struct TALER_EXCHANGE_AddAmlDecision;
+
+
+/**
+ * Inform the exchange that an AML decision has been taken.
+ *
+ * @param ctx the context
+ * @param url HTTP base URL for the exchange
+ * @param justification human-readable justification
+ * @param decision_time when was the decision made
+ * @param new_threshold at what monthly amount threshold
+ * should a revision be triggered
+ * @param h_payto payto URI hash of the account the
+ * decision is about
+ * @param new_state updated AML state
+ * @param officer_priv private key of the deciding AML officer
+ * @param cb function to call with the exchange's result
+ * @param cb_cls closure for @a cb
+ * @return the request handle; NULL upon error
+ */
+struct TALER_EXCHANGE_AddAmlDecision *
+TALER_EXCHANGE_add_aml_decision (
+ struct GNUNET_CURL_Context *ctx,
+ const char *url,
+ const char *justification,
+ struct GNUNET_TIME_Timestamp decision_time,
+ const struct TALER_Amount *new_threshold,
+ const struct TALER_PaytoHashP *h_payto,
+ enum TALER_AmlDecisionState new_state,
+ const struct TALER_AmlOfficerPrivateKeyP *officer_priv,
+ TALER_EXCHANGE_AddAmlDecisionCallback cb,
+ void *cb_cls);
+
+
+/**
+ * Cancel #TALER_EXCHANGE_add_aml_decision() operation.
+ *
+ * @param rh handle of the operation to cancel
+ */
+void
+TALER_EXCHANGE_add_aml_decision_cancel (
+ struct TALER_EXCHANGE_AddAmlDecision *rh);
+
+
+/**
+ * Function called with information about the change to
+ * an AML officer status.
+ *
+ * @param cls closure
+ * @param hr HTTP response data
+ */
+typedef void
+(*TALER_EXCHANGE_ManagementAddPartnerCallback) (
+ void *cls,
+ const struct TALER_EXCHANGE_HttpResponse *hr);
+
+
+/**
+ * @brief Handle for a POST /management/partners/$PARTNER_PUB request.
+ */
+struct TALER_EXCHANGE_ManagementAddPartner;
+
+
+/**
+ * Inform the exchange that the status of a partnering
+ * exchange was defined.
+ *
+ * @param ctx the context
+ * @param url HTTP base URL for the exchange
+ * @param partner_pub the offline signing key of the partner
+ * @param start_date validity period start
+ * @param end_date validity period end
+ * @param wad_frequency how often will we do wad transfers to this partner
+ * @param wad_fee what is the wad fee to this partner
+ * @param partner_base_url what is the base URL of the @a partner_pub exchange
+ * @param master_sig the signature the signature
+ * @param cb function to call with the exchange's result
+ * @param cb_cls closure for @a cb
+ * @return the request handle; NULL upon error
+ */
+struct TALER_EXCHANGE_ManagementAddPartner *
+TALER_EXCHANGE_management_add_partner (
+ struct GNUNET_CURL_Context *ctx,
+ const char *url,
+ const struct TALER_MasterPublicKeyP *partner_pub,
+ struct GNUNET_TIME_Timestamp start_date,
+ struct GNUNET_TIME_Timestamp end_date,
+ struct GNUNET_TIME_Relative wad_frequency,
+ const struct TALER_Amount *wad_fee,
+ const char *partner_base_url,
+ const struct TALER_MasterSignatureP *master_sig,
+ TALER_EXCHANGE_ManagementAddPartnerCallback cb,
+ void *cb_cls);
+
+
+/**
+ * Cancel #TALER_EXCHANGE_management_update_aml_officer() operation.
+ *
+ * @param rh handle of the operation to cancel
+ */
+void
+TALER_EXCHANGE_management_add_partner_cancel (
+ struct TALER_EXCHANGE_ManagementAddPartner *rh);
+
+
/**
* Function called with information about the auditor setup operation result.
*
diff --git a/src/lib/exchange_api_add_aml_decision.c
b/src/lib/exchange_api_add_aml_decision.c
new file mode 100644
index 00000000..7230c5ed
--- /dev/null
+++ b/src/lib/exchange_api_add_aml_decision.c
@@ -0,0 +1,240 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2023 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING. If not, see
+ <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file lib/exchange_api_add_aml_decision.c
+ * @brief functions to add an AML decision by an AML officer
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_exchange_service.h"
+#include "exchange_api_curl_defaults.h"
+#include "taler_signatures.h"
+#include "taler_curl_lib.h"
+#include "taler_json_lib.h"
+
+
+struct TALER_EXCHANGE_AddAmlDecision
+{
+
+ /**
+ * The url for this request.
+ */
+ char *url;
+
+ /**
+ * Minor context that holds body and headers.
+ */
+ struct TALER_CURL_PostContext post_ctx;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * Function to call with the result.
+ */
+ TALER_EXCHANGE_AddAmlDecisionCallback cb;
+
+ /**
+ * Closure for @a cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Reference to the execution context.
+ */
+ struct GNUNET_CURL_Context *ctx;
+};
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP POST /aml-decision/$OFFICER_PUB request.
+ *
+ * @param cls the `struct TALER_EXCHANGE_AddAmlDecision *`
+ * @param response_code HTTP response code, 0 on error
+ * @param response response body, NULL if not in JSON
+ */
+static void
+handle_add_aml_decision_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_EXCHANGE_AddAmlDecision *wh = cls;
+ const json_t *json = response;
+ struct TALER_EXCHANGE_HttpResponse hr = {
+ .http_status = (unsigned int) response_code,
+ .reply = json
+ };
+
+ wh->job = NULL;
+ switch (response_code)
+ {
+ case 0:
+ /* no reply */
+ hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
+ hr.hint = "server offline?";
+ break;
+ case MHD_HTTP_NO_CONTENT:
+ break;
+ case MHD_HTTP_FORBIDDEN:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ case MHD_HTTP_CONFLICT:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ default:
+ /* unexpected response code */
+ GNUNET_break_op (0);
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected response code %u/%d for exchange AML decision\n",
+ (unsigned int) response_code,
+ (int) hr.ec);
+ break;
+ }
+ if (NULL != wh->cb)
+ {
+ wh->cb (wh->cb_cls,
+ &hr);
+ wh->cb = NULL;
+ }
+ TALER_EXCHANGE_add_aml_decision_cancel (wh);
+}
+
+
+struct TALER_EXCHANGE_AddAmlDecision *
+TALER_EXCHANGE_add_aml_decision (
+ struct GNUNET_CURL_Context *ctx,
+ const char *url,
+ const char *justification,
+ struct GNUNET_TIME_Timestamp decision_time,
+ const struct TALER_Amount *new_threshold,
+ const struct TALER_PaytoHashP *h_payto,
+ enum TALER_AmlDecisionState new_state,
+ const struct TALER_AmlOfficerPrivateKeyP *officer_priv,
+ TALER_EXCHANGE_AddAmlDecisionCallback cb,
+ void *cb_cls)
+{
+ struct TALER_AmlOfficerPrivateKeyP officer_pub;
+ struct TALER_AmlOfficerSignatureP officer_sig;
+ struct TALER_EXCHANGE_AddAmlDecision *wh;
+ CURL *eh;
+ json_t *body;
+
+ GNUNET_CRYPTO_eddsa_key_get_public (&officer_priv->eddsa_priv,
+ &officer_pub.eddsa_pub);
+ TALER_officer_aml_decision_sign (justification,
+ decision_time,
+ h_payto,
+ new_state,
+ officer_priv,
+ &officer_sig);
+ wh = GNUNET_new (struct TALER_EXCHANGE_AddAmlDecision);
+ wh->cb = cb;
+ wh->cb_cls = cb_cls;
+ wh->ctx = ctx;
+ {
+ char *path;
+ char opus[sizeof (officer_pub) * 2];
+ char *end;
+
+ end = GNUNET_STRINGS_data_to_string (
+ &officer_pub,
+ sizeof (officer_pub),
+ opus,
+ sizeof (opus));
+ *end = '\0';
+ GNUNET_asprintf (&path,
+ "aml-decision/%s",
+ opus);
+ wh->url = TALER_url_join (url,
+ path,
+ NULL);
+ GNUNET_free (path);
+ }
+ if (NULL == wh->url)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not construct request URL.\n");
+ GNUNET_free (wh);
+ return NULL;
+ }
+ body = GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_string ("justification",
+ justification),
+ GNUNET_JSON_pack_data_auto ("officer_sig",
+ &officer_sig),
+ GNUNET_JSON_pack_data_auto ("h_payto",
+ h_payto),
+ GNUNET_JSON_pack_data_uint64 ("state",
+ (uint32_t) new_state),
+ TALER_JSON_pack_amount ("new_threshold",
+ new_threshold),
+ GNUNET_JSON_pack_timestamp ("decision_time",
+ decision_time));
+ eh = TALER_EXCHANGE_curl_easy_get_ (wh->url);
+ if ( (NULL == eh) ||
+ (GNUNET_OK !=
+ TALER_curl_easy_post (&wh->post_ctx,
+ eh,
+ body)) )
+ {
+ GNUNET_break (0);
+ if (NULL != eh)
+ curl_easy_cleanup (eh);
+ json_decref (body);
+ GNUNET_free (wh->url);
+ return NULL;
+ }
+ json_decref (body);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Requesting URL '%s'\n",
+ wh->url);
+ wh->job = GNUNET_CURL_job_add2 (ctx,
+ eh,
+ wh->post_ctx.headers,
+ &handle_add_aml_decision_finished,
+ wh);
+ if (NULL == wh->job)
+ {
+ TALER_EXCHANGE_add_aml_decision_cancel (wh);
+ return NULL;
+ }
+ return wh;
+}
+
+
+void
+TALER_EXCHANGE_add_aml_decision_cancel (
+ struct TALER_EXCHANGE_AddAmlDecision *wh)
+{
+ if (NULL != wh->job)
+ {
+ GNUNET_CURL_job_cancel (wh->job);
+ wh->job = NULL;
+ }
+ TALER_curl_easy_post_finished (&wh->post_ctx);
+ GNUNET_free (wh->url);
+ GNUNET_free (wh);
+}
diff --git a/src/lib/exchange_api_management_add_partner.c
b/src/lib/exchange_api_management_add_partner.c
new file mode 100644
index 00000000..264fd664
--- /dev/null
+++ b/src/lib/exchange_api_management_add_partner.c
@@ -0,0 +1,232 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2023 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING. If not, see
+ <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file lib/exchange_api_management_add_partner.c
+ * @brief functions to add an partner by an AML officer
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_exchange_service.h"
+#include "exchange_api_curl_defaults.h"
+#include "taler_signatures.h"
+#include "taler_curl_lib.h"
+#include "taler_json_lib.h"
+
+
+struct TALER_EXCHANGE_ManagementAddPartner
+{
+
+ /**
+ * The url for this request.
+ */
+ char *url;
+
+ /**
+ * Minor context that holds body and headers.
+ */
+ struct TALER_CURL_PostContext post_ctx;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * Function to call with the result.
+ */
+ TALER_EXCHANGE_ManagementAddPartnerCallback cb;
+
+ /**
+ * Closure for @a cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Reference to the execution context.
+ */
+ struct GNUNET_CURL_Context *ctx;
+};
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP POST /aml-decision/$OFFICER_PUB request.
+ *
+ * @param cls the `struct TALER_EXCHANGE_ManagementAddPartner *`
+ * @param response_code HTTP response code, 0 on error
+ * @param response response body, NULL if not in JSON
+ */
+static void
+handle_add_partner_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_EXCHANGE_ManagementAddPartner *wh = cls;
+ const json_t *json = response;
+ struct TALER_EXCHANGE_HttpResponse hr = {
+ .http_status = (unsigned int) response_code,
+ .reply = json
+ };
+
+ wh->job = NULL;
+ switch (response_code)
+ {
+ case 0:
+ /* no reply */
+ hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
+ hr.hint = "server offline?";
+ break;
+ case MHD_HTTP_NO_CONTENT:
+ break;
+ case MHD_HTTP_FORBIDDEN:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ case MHD_HTTP_CONFLICT:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ default:
+ /* unexpected response code */
+ GNUNET_break_op (0);
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected response code %u/%d for adding exchange partner\n",
+ (unsigned int) response_code,
+ (int) hr.ec);
+ break;
+ }
+ if (NULL != wh->cb)
+ {
+ wh->cb (wh->cb_cls,
+ &hr);
+ wh->cb = NULL;
+ }
+ TALER_EXCHANGE_management_add_partner_cancel (wh);
+}
+
+
+struct TALER_EXCHANGE_ManagementAddPartner *
+TALER_EXCHANGE_management_add_partner (
+ struct GNUNET_CURL_Context *ctx,
+ const char *url,
+ const struct TALER_MasterPublicKeyP *partner_pub,
+ struct GNUNET_TIME_Timestamp start_date,
+ struct GNUNET_TIME_Timestamp end_date,
+ struct GNUNET_TIME_Relative wad_frequency,
+ const struct TALER_Amount *wad_fee,
+ const char *partner_base_url,
+ const struct TALER_MasterSignatureP *master_sig,
+ TALER_EXCHANGE_ManagementAddPartnerCallback cb,
+ void *cb_cls)
+{
+ struct TALER_EXCHANGE_ManagementAddPartner *wh;
+ CURL *eh;
+ json_t *body;
+
+ wh = GNUNET_new (struct TALER_EXCHANGE_ManagementAddPartner);
+ wh->cb = cb;
+ wh->cb_cls = cb_cls;
+ wh->ctx = ctx;
+ {
+ char *path;
+ char opus[sizeof (*partner_pub) * 2];
+ char *end;
+
+ end = GNUNET_STRINGS_data_to_string (
+ partner_pub,
+ sizeof (*partner_pub),
+ opus,
+ sizeof (opus));
+ *end = '\0';
+ GNUNET_asprintf (&path,
+ "management/partners/%s",
+ opus);
+ wh->url = TALER_url_join (url,
+ path,
+ NULL);
+ GNUNET_free (path);
+ }
+ if (NULL == wh->url)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not construct request URL.\n");
+ GNUNET_free (wh);
+ return NULL;
+ }
+ body = GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_string ("partner_base_url",
+ partner_base_url),
+ GNUNET_JSON_pack_timestamp ("start_date",
+ start_date),
+ GNUNET_JSON_pack_timestamp ("end_date",
+ end_date),
+ GNUNET_JSON_pack_time_rel ("wad_frequency",
+ wad_frequency),
+ GNUNET_JSON_pack_data_auto ("master_sig",
+ &master_sig),
+ TALER_JSON_pack_amount ("wad_fee",
+ wad_fee)
+ );
+ eh = TALER_EXCHANGE_curl_easy_get_ (wh->url);
+ if ( (NULL == eh) ||
+ (GNUNET_OK !=
+ TALER_curl_easy_post (&wh->post_ctx,
+ eh,
+ body)) )
+ {
+ GNUNET_break (0);
+ if (NULL != eh)
+ curl_easy_cleanup (eh);
+ json_decref (body);
+ GNUNET_free (wh->url);
+ return NULL;
+ }
+ json_decref (body);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Requesting URL '%s'\n",
+ wh->url);
+ wh->job = GNUNET_CURL_job_add2 (ctx,
+ eh,
+ wh->post_ctx.headers,
+ &handle_add_partner_finished,
+ wh);
+ if (NULL == wh->job)
+ {
+ TALER_EXCHANGE_management_add_partner_cancel (wh);
+ return NULL;
+ }
+ return wh;
+}
+
+
+void
+TALER_EXCHANGE_management_add_partner_cancel (
+ struct TALER_EXCHANGE_ManagementAddPartner *wh)
+{
+ if (NULL != wh->job)
+ {
+ GNUNET_CURL_job_cancel (wh->job);
+ wh->job = NULL;
+ }
+ TALER_curl_easy_post_finished (&wh->post_ctx);
+ GNUNET_free (wh->url);
+ GNUNET_free (wh);
+}
diff --git a/src/lib/exchange_api_management_update_aml_officer.c
b/src/lib/exchange_api_management_update_aml_officer.c
new file mode 100644
index 00000000..bdc0dbe4
--- /dev/null
+++ b/src/lib/exchange_api_management_update_aml_officer.c
@@ -0,0 +1,228 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2023 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING. If not, see
+ <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file lib/exchange_api_management_update_aml_officer.c
+ * @brief functions to update AML officer status
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_exchange_service.h"
+#include "exchange_api_curl_defaults.h"
+#include "taler_signatures.h"
+#include "taler_curl_lib.h"
+#include "taler_json_lib.h"
+
+
+struct TALER_EXCHANGE_ManagementUpdateAmlOfficer
+{
+
+ /**
+ * The url for this request.
+ */
+ char *url;
+
+ /**
+ * Minor context that holds body and headers.
+ */
+ struct TALER_CURL_PostContext post_ctx;
+
+ /**
+ * Handle for the request.
+ */
+ struct GNUNET_CURL_Job *job;
+
+ /**
+ * Function to call with the result.
+ */
+ TALER_EXCHANGE_ManagementUpdateAmlOfficerCallback cb;
+
+ /**
+ * Closure for @a cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Reference to the execution context.
+ */
+ struct GNUNET_CURL_Context *ctx;
+};
+
+
+/**
+ * Function called when we're done processing the
+ * HTTP /management/wire request.
+ *
+ * @param cls the `struct TALER_EXCHANGE_ManagementAuditorEnableHandle *`
+ * @param response_code HTTP response code, 0 on error
+ * @param response response body, NULL if not in JSON
+ */
+static void
+handle_update_aml_officer_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_EXCHANGE_ManagementUpdateAmlOfficer *wh = cls;
+ const json_t *json = response;
+ struct TALER_EXCHANGE_HttpResponse hr = {
+ .http_status = (unsigned int) response_code,
+ .reply = json
+ };
+
+ wh->job = NULL;
+ switch (response_code)
+ {
+ case 0:
+ /* no reply */
+ hr.ec = TALER_EC_GENERIC_INVALID_RESPONSE;
+ hr.hint = "server offline?";
+ break;
+ case MHD_HTTP_NO_CONTENT:
+ break;
+ case MHD_HTTP_FORBIDDEN:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ case MHD_HTTP_CONFLICT:
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ break;
+ default:
+ /* unexpected response code */
+ GNUNET_break_op (0);
+ hr.ec = TALER_JSON_get_error_code (json);
+ hr.hint = TALER_JSON_get_error_hint (json);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected response code %u/%d for exchange management update
AML officer\n",
+ (unsigned int) response_code,
+ (int) hr.ec);
+ break;
+ }
+ if (NULL != wh->cb)
+ {
+ wh->cb (wh->cb_cls,
+ &hr);
+ wh->cb = NULL;
+ }
+ TALER_EXCHANGE_management_update_aml_officer_cancel (wh);
+}
+
+
+struct TALER_EXCHANGE_ManagementUpdateAmlOfficer *
+TALER_EXCHANGE_management_update_aml_officer (
+ struct GNUNET_CURL_Context *ctx,
+ const char *url,
+ const struct TALER_AmlOfficerPublicKeyP *officer_pub,
+ const char *officer_name,
+ struct GNUNET_TIME_Timestamp change_date,
+ bool is_active,
+ bool read_only,
+ const struct TALER_MasterSignatureP *master_sig,
+ TALER_EXCHANGE_ManagementUpdateAmlOfficerCallback cb,
+ void *cb_cls)
+{
+ struct TALER_EXCHANGE_ManagementUpdateAmlOfficer *wh;
+ CURL *eh;
+ json_t *body;
+
+ wh = GNUNET_new (struct TALER_EXCHANGE_ManagementUpdateAmlOfficer);
+ wh->cb = cb;
+ wh->cb_cls = cb_cls;
+ wh->ctx = ctx;
+ {
+ char *path;
+ char opus[sizeof (*officer_pub) * 2];
+ char *end;
+
+ end = GNUNET_STRINGS_data_to_string (
+ officer_pub,
+ sizeof (*officer_pub),
+ opus,
+ sizeof (opus));
+ *end = '\0';
+ GNUNET_asprintf (&path,
+ "management/aml-officers/%s",
+ opus);
+ wh->url = TALER_url_join (url,
+ path,
+ NULL);
+ GNUNET_free (path);
+ }
+ if (NULL == wh->url)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not construct request URL.\n");
+ GNUNET_free (wh);
+ return NULL;
+ }
+ body = GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_string ("officer_name",
+ officer_name),
+ GNUNET_JSON_pack_data_auto ("master_sig",
+ master_sig),
+ GNUNET_JSON_pack_data_bool ("is_active",
+ is_active),
+ GNUNET_JSON_pack_data_bool ("read_only",
+ read_only),
+ GNUNET_JSON_pack_timestamp ("change_date",
+ change_date));
+ eh = TALER_EXCHANGE_curl_easy_get_ (wh->url);
+ if ( (NULL == eh) ||
+ (GNUNET_OK !=
+ TALER_curl_easy_post (&wh->post_ctx,
+ eh,
+ body)) )
+ {
+ GNUNET_break (0);
+ if (NULL != eh)
+ curl_easy_cleanup (eh);
+ json_decref (body);
+ GNUNET_free (wh->url);
+ return NULL;
+ }
+ json_decref (body);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Requesting URL '%s'\n",
+ wh->url);
+ wh->job = GNUNET_CURL_job_add2 (ctx,
+ eh,
+ wh->post_ctx.headers,
+ &handle_update_aml_officer_finished,
+ wh);
+ if (NULL == wh->job)
+ {
+ TALER_EXCHANGE_management_update_aml_officer_cancel (wh);
+ return NULL;
+ }
+ return wh;
+}
+
+
+void
+TALER_EXCHANGE_management_update_aml_officer_cancel (
+ struct TALER_EXCHANGE_ManagementUpdateAmlOfficer *wh)
+{
+ if (NULL != wh->job)
+ {
+ GNUNET_CURL_job_cancel (wh->job);
+ wh->job = NULL;
+ }
+ TALER_curl_easy_post_finished (&wh->post_ctx);
+ GNUNET_free (wh->url);
+ GNUNET_free (wh);
+}
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